
Communication Methods Through History
Explore the evolution of communication methods from ancient times to modern technology. Discover how radio, television, and other means have entertained and informed us. Learn about the significance of written communication, telegrams, and the role of technology like computers and the internet in facilitating global connections.
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Presentation Transcript
CHAPTER-5 MEANS OF COMMUNICATION
Fill in the blanks- a) Radio and television programmes entertain us and enrich our knowledge. b) Dried palm leaves were also used to record events or write stories. c) Trained pigeons were used to send short messages. d) People in the earlier times did not have mobile phones or computers. e) Telegrams were earlier used to send short messages very quickly.
TRUE/FALSE 1)The letters are collected by a delivery boy from the post box. (F) 2) Computers have made communication easier and so much fun. (T) 3) In earlier times, palm leaves were used to record events or write stories. (T) 4) A stamp is posted on an envelope before posting it. (T)
Define the following- 1)Internet- A network of computers all over the world. 2)Satellite-An artificial object placed in space for sending and receiving single for communication.
Write full form of the following- 1) S.T.D- Subscribers Trunk Dialling 2) I.S.D- International Subscriber Dialling 3) SMS- Short Message Service 4) PIN- Postal Index Number 5) E- mail- Electronic Mails
QUESTION ANSWER Q1- For what purpose is the fax machine used? Ans- A fax machine is used for sending written messages, letters or even photographs instantly. Q2- How can we get the news about the events that take place around the world? Ans- Newspapers, magazines, radios and televisions give us news about that take place in our country and around the world.
Q3- How are radios and and television useful to us? Ans- Radios and television programmes entertain us and enrich our knowledge. For example, we can learn about new places, sports, cultural events, animals, plants etc.